/* ==============================================================================
*
*   Copyright (c) 2010, Pierre Favier
*   All rights reserved.
*
*   NTasking is free software: you can redistribute it and/or modify it
*   under the terms of the GNU General Public License as published by the
*   Free Software Foundation.
*
*   Redistribution and use in source and binary forms, with or without
*   modification, are permitted provided that the following conditions
*   are met:
*
*   -   Redistributions of source code must retain the above copyright notice,
*       this list of conditions and the following disclaimer.
*
*   -   Redistributions in binary form must reproduce the above
*       copyright notice, this list of conditions and the following
*       disclaimer in the documentation and/or other materials
*       provided with the distribution.
*
*   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
*   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
*   OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
*   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
*   BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
*   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
*   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
*   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
*   ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
*   TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
*   THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
*   SUCH DAMAGE.
*
* ============================================================================== */

using System;
using NUnit.Framework;
using Rhino.Mocks;
using Rhino.Mocks.Constraints;

namespace NTasking.ValidationTests.Other.SyntaxErrors
{

    [TestFixture]
    public class AsynchronousCalls : ValidationTest
    {

        internal class AProtected : ValidationTestProtected
        {

            [ReadOnlyOperation]
            internal Func<bool> Get0 { get; private set; }


            [ReadWriteOperation]
            internal Action Put0 { get; private set; }


            internal AProtected(IValidationTestResult result)
                : base(result)
            {
                ReadOnlyOperation(Get0, () =>
                {
                    result.TestFailed();

                    return true;
                });

                ReadWriteOperation(Put0, () =>
                {
                    result.TestFailed();
                });
            }

        }


        private void DummyMethod()
        {
        }


        [Test]
        public void CallNull()
        {
            IValidationTestResult result = Mocks.DynamicMock<IValidationTestResult>();
            Action action = null;

            Ada.Declare(() =>
            {
                // Setup text expectations

                Expect.Call(result.TestFailed).Repeat.Never();

                Mocks.ReplayAll();
            },
            Begin: () =>
            {
                // Start test execution

                action.Async().Wait();

                // Exception not thrown
                result.TestFailed();
            },
            Exception: (ex) =>
            {
                if (ex is SyntaxError)
                {
                    if (((SyntaxError)ex).ErrorCode != Errors.AsynchronousCallIsNullError)
                        // Wrong error code
                        result.TestFailed();
                }
                else
                {
                    // Unexpected exception thrown
                    result.TestFailed();
                }
                return false;
            });
        }


        [Test]
        public void CallNonSynchronizedMethod()
        {
            IValidationTestResult result = Mocks.DynamicMock<IValidationTestResult>();

            Ada.Declare(() =>
            {
                // Setup text expectations

                Expect.Call(result.TestFailed).Repeat.Never();

                Mocks.ReplayAll();
            },
            Begin: () =>
            {
                // Start test execution
                Action action = DummyMethod;
                action.Async().Wait();
            },
            Exception: (ex) =>
            {
                if (ex is SyntaxError)
                {
                    if (((SyntaxError)ex).ErrorCode != Errors.AsynchronousCallNotSynchronizedError)
                        // Wrong error code
                        result.TestFailed();
                }
                else
                {
                    // Unexpected exception thrown
                    result.TestFailed();
                }
                return false;
            });
        }


        [Test]
        public void CallNonEntryMethod()
        {
            AProtected prot = null;
            IValidationTestResult result = Mocks.DynamicMock<IValidationTestResult>();

            Ada.Declare(() =>
            {
                prot = new AProtected(result);

                // Setup text expectations

                Expect.Call(result.TestFailed).Repeat.Never();

                Mocks.ReplayAll();
            },
            Begin: () =>
            {
                // Start test execution

                prot.Get0.Async().Wait();

                // Exception not thrown
                result.TestFailed();
            },
            Exception: (ex) =>
            {
                if (ex is SyntaxError)
                {
                    if (((SyntaxError)ex).ErrorCode != Errors.AsynchronousCallNotAnEntryError)
                        // Wrong error code
                        result.TestFailed();
                }
                else
                {
                    // Unexpected exception thrown
                    result.TestFailed();
                }
                return false;
            });
        }

    }

}
